某公寓 WiFi 内网机器之间无法使用 ssh（ mosh）连接（修改端口号也不行）， VNC、TeamViewer 可以，如何排查原因？

This topic created in 3516 days ago, the information mentioned may be changed or developed.

类似这种情况，无论树莓派还是台式机 ubuntu 都无法从 Mac ssh 连接

ssh

树莓

Ubuntu

VNC

6 replies • 2017-03-20 10:20:37 +08:00

trepwq

Mar 20, 2017 via iPhone

client 隔离或者禁止 tcp 通信
远程桌面应该是 udp

WildCat

Mar 20, 2017

@trepwq 抱歉刚发现没写清楚就发出去了。

ssh 连接的时候是让我输入密码的，但是输入完就没反应了( https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=138631)。 debug:

```
debug1: Authentication succeeded (password).
Authenticated to 192.168.0.20 ([192.168.0.20]:22).
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug1: Requesting [email protected]
debug1: Entering interactive session.
debug2: callback start
debug2: client_session2_setup: id 0
debug2: fd 3 setting TCP_NODELAY
debug2: channel 0: request pty-req confirm 1
debug1: Sending environment.
debug3: Ignored env TERM_PROGRAM
debug3: Ignored env TERM
debug3: Ignored env SHELL
debug3: Ignored env TMPDIR
debug3: Ignored env Apple_PubSub_Socket_Render
debug3: Ignored env TERM_PROGRAM_VERSION
debug3: Ignored env TERM_SESSION_ID
debug3: Ignored env USER
debug3: Ignored env COMMAND_MODE
debug3: Ignored env SSH_AUTH_SOCK
debug3: Ignored env __CF_USER_TEXT_ENCODING
debug3: Ignored env Apple_Ubiquity_Message
debug3: Ignored env PATH
debug3: Ignored env PWD
debug1: Sending env LANG = en_GB.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env SHLVL
debug3: Ignored env HOME
debug3: Ignored env LOGNAME
debug3: Ignored env SECURITYSESSIONID
debug3: Ignored env _
debug2: channel 0: request shell confirm 1
debug2: callback done
debug2: channel 0: open confirm rwindow 0 rmax 32768
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
debug2: client_check_window_change: changed
debug2: channel 0: request window-change confirm 0
```

nemuol

Mar 20, 2017 via Android

客用隔离了

manhere

Mar 20, 2017

可以看下 MTU 大小是否设置不当

littlewey

Mar 20, 2017 via iPhone

遇到一次改了 ssh server ip 解决的

flynaj

Mar 20, 2017 via Android

隔离了， mosh 是 udp ，其他两个是 TCP